Acer Extensa 4100 - Manual (Page 31)

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Touchpad
The built-in touchpad is a pointing device that senses movement on its
surface. This means the cursor responds as you move your finger on the
surface of the touchpad. The central location on the palmrest provides
optimum comfort and support.
Touchpad basics
The following items teach you how to use the touchpad:
•
Move your finger across the touchpad to move the cursor.
•
Press the left (1) and right (3) buttons located on the edge of the
touchpad to do selection and execution functions. These two
buttons are similar to the left and right buttons on a mouse.
Tapping on the touchpad is the same as clicking the left button
• Use the 4-way scroll (2) button to scroll up or down and move left
or right a page. This button mimics your cursor pressing on the
right scroll bar of windows applications.